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Finding the Fourth Proportional to 18,353.08, 25,327.08 and 9,969.52

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Solution

The fourth proportional to 18,353.08, 25,327.08 and 9,969.52 is: 13,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.08 : 25,327.08 = 9,969.52 : x
  2. Step 2: Convert to fraction form
    18,353.08/25,327.08 = 9,969.52/x
  3. Step 3: Cross multiply
    18,353.08x = 25,327.08 × 9,969.52
  4. Step 4: Simplify right side
    18,353.08x = 252,498,830.60
  5. Step 5: Solve for x
    x = 252,498,830.60/18,353.08
  6. Step 6: Final answer
    x = 13,757.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.